Tagged Questions

I would like to reproduce the results in the paper "The scale of market quakes", from T. Bisig, But I am getting stuck at the computation of the Fourier Coefficients in equation (4). They are defined ...

I have a question about EMD updating new data points. For an entire time series, from beginning to the end, the EMD preforms quite good using the cubic spline function.
The problem happens when new ...

I am doing signal analysis for a time series and the assumption of signal is
S = F + e
Where S is the original signal, F is the frequency component and e is white noise (auto-regressive time series ...

There are a lot of papers out there which make attempts to forecast or discuss the benefits of wavelets for frequency decomposition.
Oddly, very few discuss the huge boundary effects that are present ...

There is a concept of trading or observing the market with signal processing originally created by John Ehler. He wrote three books about it.
Cybernetic Analysis for Stocks and Futures
Rocket Science ...